For me archaeology is not a source of illustrations for written texts, but an independent source of historical information, with no less value and importance, sometimes more importance, that the written sources.
Michael I. Rostovtzeff

Rocket scientists agree that we have about reached the limit of our ability to travel in space using chemical rockets. To achieve anything near the speed of light we will need a new energy source and a new propellant. Nuclear fission is not an option.
Wilson Greatbatch

If we had a hydrogen economy worldwide, every nation on earth could create its own energy source to support its economy, and the threat of war over diminishing resources would just evaporate.
Dennis Weaver

We shall find in our troubled hearts, where discord reigns, two needs which seem at variance, but which merge, as I think, in a common source - the love of the true, and the love of the fabulous.
Alfred de Vigny

You could make a case that women addicted men to their sexuality and then withdrew their sexuality until we provided them with a source of income.
Warren Farrell

Because the New Testament provides the primary historical source for information on the resurrection, many critics during the 19th century attacked the reliability of these biblical documents.
Josh McDowell

In fact, Social Security is the only source of income nationwide for 29 percent of unmarried elderly women.
Ginny B. Waite

All revolutions are spiritual at the source. All my activities have the sole purpose of achieving a union of hearts.
Vinoba Bhave

I am heartbroken that this movie would cause anyone pain. It should be a source of joy. The story is a metaphor about how we try to stay in our own little bubbles, we don't let life in, we don't take the journey.
Swoosie Kurtz

A likely source for terrorists seeking to buy or steal nuclear materials is the former Soviet Union.
Lee H. Hamilton

I can't think of any other region in the world which is such a vast source of fossils.
Richard Leakey

One of the people that became a major source was Clarence Tripp who worked with Kinsey.
Bill Condon

I have a great deal of difficulty with those who live in a hugely prosperous country telling people in the developing world that they should be deprived of a critical source of energy.
Lee R. Raymond

We cannot be any stronger in our foreign policy for all the bombs and guns we may heap up in our arsenals than we are in the spirit which rules inside the country. Foreign policy, like a river, cannot rise above its source.
Adlai Stevenson

Be unselfish. That is the first and final commandment for those who would be useful and happy in their usefulness. If you think of yourself only, you cannot develop because you are choking the source of development, which is spiritual expansion through thought for others.
Charles William Eliot

But inner experience is only one source of human knowledge.
Muhammed Iqbal

Just as it is true that a stream cannot rise above its source, so it is true that a national literature cannot rise above the moral level of the social conditions of the people from whom it derives its inspiration.
James Connolly

You are the God-being that is here to create life, to breathe soul into your body, to walk this world as your own source of power, love, worth and life.
Joy Page

The primary source of the appeal of Christianity was Jesus - His incarnation, His life, His crucifixion, and His resurrection.
Kenneth Scott Latourette

We studied the light source in the direction of the magnetic force, we perforated the poles of the magnet; but even in the direction of the magnetic lines of force we found that our result was confirmed.
Pieter Zeeman